311275860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2053}}^1$

素因数の和:2110

約数の個数: 144

約数和(自身を含む): 1051779456

約数和(自身を除く): 740503596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 665, 722, 798, 1083, 1140, 1330, 1444, 1596, 1805, 1995, 2053, 2166, 2527, 2660, 3610, 3990, 4106, 4332, 5054, 5415, 6159, 7220, 7581, 7980, 8212, 10108, 10265, 10830, 12318, 12635, 14371, 15162, 20530, 21660, 24636, 25270, 28742, 30324, 30795, 37905, 39007, 41060, 43113, 50540, 57484, 61590, 71855, 75810, 78014, 86226, 117021, 123180, 143710, 151620, 156028, 172452, 195035, 215565, 234042, 273049, 287420, 390070, 431130, 468084, 546098, 585105, 741133, 780140, 819147, 862260, 1092196, 1170210, 1365245, 1482266, 1638294, 2223399, 2340420, 2730490, 2964532, 3276588, 3705665, 4095735, 4446798, 5187931, 5460980, 7411330, 8191470, 8893596, 10375862, 11116995, 14822660, 15563793, 16382940, 20751724, 22233990, 25939655, 31127586, 44467980, 51879310, 62255172, 77818965, 103758620, 155637930, 311275860]

約数ペア:

[(1, 311275860), (2, 155637930), (3, 103758620), (4, 77818965), (5, 62255172), (6, 51879310), (7, 44467980), (10, 31127586), (12, 25939655), (14, 22233990), (15, 20751724), (19, 16382940), (20, 15563793), (21, 14822660), (28, 11116995), (30, 10375862), (35, 8893596), (38, 8191470), (42, 7411330), (57, 5460980), (60, 5187931), (70, 4446798), (76, 4095735), (84, 3705665), (95, 3276588), (105, 2964532), (114, 2730490), (133, 2340420), (140, 2223399), (190, 1638294), (210, 1482266), (228, 1365245), (266, 1170210), (285, 1092196), (361, 862260), (380, 819147), (399, 780140), (420, 741133), (532, 585105), (570, 546098), (665, 468084), (722, 431130), (798, 390070), (1083, 287420), (1140, 273049), (1330, 234042), (1444, 215565), (1596, 195035), (1805, 172452), (1995, 156028), (2053, 151620), (2166, 143710), (2527, 123180), (2660, 117021), (3610, 86226), (3990, 78014), (4106, 75810), (4332, 71855), (5054, 61590), (5415, 57484), (6159, 50540), (7220, 43113), (7581, 41060), (7980, 39007), (8212, 37905), (10108, 30795), (10265, 30324), (10830, 28742), (12318, 25270), (12635, 24636), (14371, 21660), (15162, 20530)]